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EXCHANGE RATES, AGGREGATE EXPENDITURES DETERMINANT: One of several specific aggregate expenditures determinants assumed constant when the aggregate expenditures line is constructed, and that shifts the aggregate expenditures line when it changes. An increase in the exchanges rates causes an increase (upward shift) of the aggregate expenditures line. A decrease in the exchanges rates causes a decrease (downward shift) of the aggregate expenditures line. Other notable aggregate expenditures determinants include consumer confidence, federal deficit, inflationary expectations, and interest rates.

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ARC ELASTICITY

The average elasticity for discrete changes in two variables. The distinguishing characteristic of arc elasticity is that percentage changes are calculated based on the average of initial and ending values of each variable, rather than initial values. Arc elasticity is generally calculated using the midpoint elasticity formula. The contrast to arc elasticity is point elasticity. For infinitesimally small changes in two variables, arc elasticity is the same as point elasticity.

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GREEN LOGIGUIN
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Today, you are likely to spend a great deal of time at a going out of business sale wanting to buy either a bottle of blackcherry flavored spring water or a travel case for you toothbrush. Be on the lookout for celebrities who speak directly to you through your television.
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More money is spent on gardening than on any other hobby.
"How wonderful it is that nobody need wait a single moment before starting to improve the world. "

-- Anne Frank, diarist

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